Ogata, T., Nakamura, T., Anjitsu, K., Yaeshima, T., Takahashi, S., Fukuwatari, Y., Ishibashi, N., Hayasawa, H., Fujisawa, T., Iino, H. (1997)

Effect of Bifidobacterium longum BB536 Administration on the Intestinal Environment, Defecation Frequency and Fecal Characteristics of Human Volunteers